1. WELCOME TO
WORLD
THE OF
COMMUNICATION

2. MADE BY : Reena Kalra & Navita Srivastava
Sri Venkateshwar International School

3. COMMUNICATION
Communication is a process of sending and receiving messages.The messages can either be spoke nor written.In olden time messages were sent through pigeons , horse – riders or by signal .
Do you know ? The sailors signaled to other ships about in the seas by waving flags .

4. TYPE OF COMMNUICATION
In the present world , communication is of two types :
Personal communication
b) Mass communication

5. PERSONAL
COMMUNICATION

6. PERSONAL COMMUNICATION
It means communication between sender and receiver or caller receiver . The means of personal communication are :-
1. Postal system
2. Telegraph
3. Telephone
Do you know ? In some areas mail is carried on donkey .

7. POSTAL SYSTEM
1 . Postal system : Millions of letters, card, parcels and money orders are sent and received through post–office everyday. Mail is transported by vans, trains, aero plane and even ships .
In India the first-office was set up at byculla in Mumbai in 1832.’“Postal Index Number{ PIN }’’was introducted to make the sorting of mail quick and easy .The post- offices also provide banking and ‘Speed Post’ services .
Do You Know ? The first stamp in India was
introduced by bartle frere in1852.

8. TELEGRAPH
In , Samuel Morse invented a system of sending Messages by telegraph . The senders sends the messages Through dot and dash symbols and operator (the receiver )Receiving the message at the other end ,translate these dots and dash symbols into words .

9. TELEPHONE Telephone was invented by Alexander Graham bell in 1857.
It is the quickest method of direct communication between
two people .On telephone a person talks to another person
Living at a distance .
DO YOU KNOW : The first on telephone was made from a top of the building to two storeys down in Bostan .

10. MASS
COMMUNICATION

11. MASS COMMUNICATION
Mass Communication helps in communicating with a large number of people at the same time . The means of Mass Communication are :
1. Print media
2. Electronic media

12. PRINT MEDIA
1. Print Media : Print media includes newspapers , books , magazines , journals , etc . They play an important roles in spreading knowledge ,information , ideas and skills through words ,figures , illustrations and graphs to thousands of people . ‘ Bengal Gazette ’was the first newspaper which was published in India .

13. Do you know ?
Gujarati daily ‘ Bombay Samachar ‘ is oldest existing newspaper in India.
It started in
The highest number of newspaper
published in India are in
Hindi .

14. ELECTRONIC MEDIA Electronic Media
Under electronic media , we shall study about :
a} Radio
b} Television

15. RADIO
Radio : It was invented by Guglielmo Marconi . It brought a revolution in mass communication . Radio programmes are broadcast to the whole world . Even illiterate people can listen and understand the radio programmes like music, discussions , dramas and commentary of important events or games .
Do You Know ? Radio also helps ships
and aeroplanes to send messages in an emergency .

16. TELEVISION
Televisions : It was invented by John Logie Baird in Televisions is more effctive than a radio . It involves both the sense of seeing and hearing.Any happening in any part of the world can be viewed in the comfort of our homes .
DO YOU KNOW : India’s national television is called the Doordarshan .

17. SATELLITE COMMUNICATION
An artificial satellite is a man made object which revolves around the earth . It helps in transmitting sounds and pictures through transmitters . A satellite acts as a bridge between different countries of the world .
Do You Know?An
internet is connected
through a satellite.

18. Thank You